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    Length: 1709 (0x6ad)
    Types: TextFile
    Names: »signal.c«

└─⟦87ddcff64⟧ Bits:30001253 CPHDIST85 Tape, 1985 Autumn Conference Copenhagen
    └─ ⟦this⟧ »cph85dist/search/signal.c« 

TextFile

#ifndef lint
static char rcsid[] = "$Header: signal.c,v 2.1 85/04/10 17:32:00 matt Stab $";
#endif
/*
 *
 * search
 *
 * multi-player and multi-system search and destroy.
 *
 * Original code by Dave Pare	1984
 * Ported & improved
 *      by Matt Crawford	1985
 *
 * signal handlers for the daemon
 *
 * Copyright (c) 1984
 *
 * $Log:	signal.c,v $
 * Revision 2.1  85/04/10  17:32:00  matt
 * Major de-linting and minor restructuring.
 * 
 */

#include "defines.h"
#include "structs.h"
#include <stdio.h>
#include <sys/time.h>
#include <sys/file.h>
#include <signal.h>
#include <nlist.h>


trap(sig)
int sig;
{
	extern	void	done();
	extern	t_player player[NPLAYER];
	extern	int loc_sock;
	extern	int pfd;
	extern	int errfile;
#ifdef INET
	extern	int in_sock;
#endif
	t_player *p;
	char	buf[80];


#ifdef INET
	close(in_sock);
#endif
	close(loc_sock);
	for (p = player; p < &player[NPLAYER]; p++)
		if (p->status.alive == TRUE)
			done(p);
	close(pfd);
	unlink(SLOCK);
	sprintf(buf, "trapped interrupt %d\n", sig);
	errlog(buf);
	close(errfile);
	exit(sig);
	/*NOTREACHED*/
}

core_dump()
{
	extern	void	done();
	extern	t_player	player[NPLAYER];
	t_player	*p;

	errlog("dumping core...\n");
	signal(SIGQUIT, SIG_IGN);
	for (p = player; p < &player[NPLAYER]; p++)
		if (p->status.alive == TRUE)
			done(p);
	signal(SIGQUIT, SIG_DFL);
	kill(getpid(), SIGQUIT);
	/*NOTREACHED*/
}


/*
 * put the delay in the game.  tune to taste.
 */
void
set_delay() {
	extern	int nplayer;
	struct	timeval timer;
	long	usecs;


	usecs = 100000L - (nplayer * 15000L);
	if (usecs < 10000L)
		return;
	timer.tv_sec = 0L;
	timer.tv_usec = usecs;
	(void)select(0, NULLINT, NULLINT, NULLINT, &timer);
		/* if it fails, who cares? */
}